256425070384

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{17431}}^1$

素因数の和:17719

約数の個数: 160

約数和(自身を含む): 619764776960

約数和(自身を除く): 363339706576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 223, 248, 266, 304, 434, 446, 496, 532, 589, 868, 892, 1064, 1178, 1561, 1736, 1784, 2128, 2356, 3122, 3472, 3568, 4123, 4237, 4712, 6244, 6913, 8246, 8474, 9424, 12488, 13826, 16492, 16948, 17431, 24976, 27652, 29659, 32984, 33896, 34862, 48391, 55304, 59318, 65968, 67792, 69724, 96782, 110608, 118636, 122017, 131347, 139448, 193564, 237272, 244034, 262694, 278896, 331189, 387128, 474544, 488068, 525388, 540361, 662378, 774256, 919429, 976136, 1050776, 1080722, 1324756, 1838858, 1952272, 2101552, 2161444, 2318323, 2649512, 3677716, 3782527, 3887113, 4322888, 4636646, 5299024, 7355432, 7565054, 7774226, 8645776, 9273292, 10266859, 14710864, 15130108, 15548452, 18546584, 20533718, 27209791, 30260216, 31096904, 37093168, 41067436, 54419582, 60520432, 62193808, 71868013, 73855147, 82134872, 108839164, 120500503, 143736026, 147710294, 164269744, 217678328, 241001006, 287472052, 295420588, 435356656, 482002012, 516986029, 574944104, 590841176, 843503521, 964004024, 1033972058, 1149888208, 1181682352, 1687007042, 1928008048, 2067944116, 2289509557, 3374014084, 4135888232, 4579019114, 6748028168, 8271776464, 9158038228, 13496056336, 16026566899, 18316076456, 32053133798, 36632152912, 64106267596, 128212535192, 256425070384]

約数ペア:

[(1, 256425070384), (2, 128212535192), (4, 64106267596), (7, 36632152912), (8, 32053133798), (14, 18316076456), (16, 16026566899), (19, 13496056336), (28, 9158038228), (31, 8271776464), (38, 6748028168), (56, 4579019114), (62, 4135888232), (76, 3374014084), (112, 2289509557), (124, 2067944116), (133, 1928008048), (152, 1687007042), (217, 1181682352), (223, 1149888208), (248, 1033972058), (266, 964004024), (304, 843503521), (434, 590841176), (446, 574944104), (496, 516986029), (532, 482002012), (589, 435356656), (868, 295420588), (892, 287472052), (1064, 241001006), (1178, 217678328), (1561, 164269744), (1736, 147710294), (1784, 143736026), (2128, 120500503), (2356, 108839164), (3122, 82134872), (3472, 73855147), (3568, 71868013), (4123, 62193808), (4237, 60520432), (4712, 54419582), (6244, 41067436), (6913, 37093168), (8246, 31096904), (8474, 30260216), (9424, 27209791), (12488, 20533718), (13826, 18546584), (16492, 15548452), (16948, 15130108), (17431, 14710864), (24976, 10266859), (27652, 9273292), (29659, 8645776), (32984, 7774226), (33896, 7565054), (34862, 7355432), (48391, 5299024), (55304, 4636646), (59318, 4322888), (65968, 3887113), (67792, 3782527), (69724, 3677716), (96782, 2649512), (110608, 2318323), (118636, 2161444), (122017, 2101552), (131347, 1952272), (139448, 1838858), (193564, 1324756), (237272, 1080722), (244034, 1050776), (262694, 976136), (278896, 919429), (331189, 774256), (387128, 662378), (474544, 540361), (488068, 525388)]